OAuth 2.0 Authorization in 5G Core Networks: Architecture, Workflows, and Security Challenges

May 22, 2025 · 1 min read · With the shift to service-based architecture in 5G Core, OAuth 2.0 plays a critical role in NF-to-NF authorization. However, reliance on a centralized NRF introduces security risks. Integrating Hyperledger Fabric offers a decentralized approach to en...